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  ~ Licensed to the Apache Software Foundation (ASF) under one or more
  ~ contributor license agreements.  See the NOTICE file distributed with
  ~ this work for additional information regarding copyright ownership.
  ~ The ASF licenses this file to You under the Apache License, Version 2.0
  ~ (the "License"); you may not use this file except in compliance with
  ~ the License.  You may obtain a copy of the License at
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  ~      http://www.apache.org/licenses/LICENSE-2.0
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<script>
    function logPixelRatio() {
        const ratio = window.devicePixelRatio;
        // document.body.style.zoom = (1 / ratio);
        console.log("window.devicePixelRatio="+ratio);

        // console.log("body client width: ["+document.body.clientWidth+"]");
        // console.log("body client height: ["+document.body.clientHeight+"]");
        //
        // document.body.style.width = '100%';
        // document.body.style.height = '100%';

        // document.body.clientWidth = width;
        // document.body.clientHeight = height;
        // console.log("after: body style width: ["+document.body.style.width+"]");
        // console.log("after: body style height: ["+document.body.style.height+"]");
    }
</script>
<body onload="logPixelRatio()" onresize="logPixelRatio()">